Jul 9, 2005 1100 UTC Day 3 Severe Thunderstorm Outlook Updated: Sat Jul 9 07:11:37 UTC 2005
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SPC AC 090709 DAY 3 CONVECTIVE OUTLOOK NWS STORM PREDICTION CENTER NORMAN OK 0209 AM CDT SAT JUL 09 2005 VALID 111200Z - 121200Z ...NO SVR TSTM AREAS FORECAST... ...OH VALLEY... THE LATEST GUIDANCE FROM THE HURRICANE CENTER MOVES THE REMNANTS OF HURRICANE DENNIS ACROSS MS INTO THE MID MS-VALLEY BY MONDAY AFTERNOON. EAST OF THE CENTER...LOW-LEVEL SHEAR PROFILES SHOULD BE STRONG ENOUGH FOR AN ISOLATED TORNADO THREAT MAINLY MONDAY AFTERNOON AND EVENING ACROSS MOST OF THE OH VALLEY. THE TORNADO THREAT SHOULD DEPEND ON THE STRENGTH OF DENNIS AND THE AMOUNT OF INSTABILITY THAT DEVELOPS AHEAD OF RAINBANDS THAT MOVE NWD ACROSS THE REGION. ...NRN AND CNTRL PLAINS... SW FLOW ALOFT IS FORECAST TO REMAIN ACROSS THE NRN PLAINS AS A SHORTWAVE MOVES EWD AWAY FROM THE REGION MONDAY. A FRONT SHOULD BE POSITIONED FROM MN DRAPING SWWD ACROSS ERN SD AND NRN NEB. CONVECTION WILL PROBABLY DEVELOP ALONG THE FRONT DURING THE AFTERNOON HOWEVER UNCERTAINTY EXISTS CONCERNING CONVECTIVE COVERAGE. FORECAST SOUNDINGS ACROSS THE REGION MONDAY SHOW PLENTY OF INSTABILITY WITH MODERATE DEEP LAYER SHEAR IN PLACE SUGGESTING SEVERE STORMS WILL BE POSSIBLE. HOWEVER...STORM COVERAGE MAY REMAIN ISOLATED DUE TO SUBSIDENCE IN THE WAKE OF THE EXITING SHORTWAVE TROUGH. FOR THIS REASON...WILL NOT INTRODUCE A SLIGHT RISK ATTM ACROSS THE REGION. IF THE SHORTWAVE ENDS UP BEING SLOWER THAN FORECAST...A SLIGHT RISK MAY BECOME NECESSARY IN LATER OUTLOOKS. ..BROYLES.. 07/09/2005 ...NOTICE... THE STATION RELATIVE POINTS IN THIS PRODUCT ARE NOW AVAILABLE SEPARATELY UNDER THE WMO HEADINGS WUUS01 PTSDY1... WUUS02 PTSDY2...WUUS03 PTSDY3. THE INCLUSION OF POINTS IN THIS DISCUSSION WILL BE DISCONTINUED AFTER THE 2005 CONVECTIVE SEASON. A PUBLIC NOTIFICATION STATEMENT (PNS) WILL PROVIDE DETAILS ON THE TRANSITION. CLICK TO GET WUUS03 PTSDY3 PRODUCT NOTE: THE NEXT DAY 3 OUTLOOK IS SCHEDULED BY 1100Z |